Antidiagonal sums of symmetric square table A085484, in which the main diagonal is equal to the first row shift left.

A085486

Antidiagonal sums of symmetric square table A085484, in which the main diagonal is equal to the first row shift left.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =112a(5) =592a(6) =3472a(7) =22224a(8) =153408a(9) =1132160a(10) =8875024a(11) =73515984a(12) =640749568a(13) =5854940768a(14) =55916547648

External references